Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 17, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 30, 1997, 5:57 AM CST for Frio County, Texas. It was in force for 63 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 30, 1997, 5:57 AM CST (11:57 UTC)
- Expired
- Mar 30, 1997, 7:00 AM CST
- In force
- 63 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Frio County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 6:40 AM CST | Hail 2.5 | Pearsall, TX | |
| Mar 30, 6:45 AM CST | Thunderstorm Wind | Pearsall, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 12.0 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 907 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 2171 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 301201 RRA SVRSAT TXC163-301300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 557 AM CST SUN MAR 30 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 7 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...FRIO COUNTY AT 555 AM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM MOVING SOUTHEAST AROUND 25 MPH INTO FRIO COUNTY NEAR FRIO TOWN. THIS STORM IS EXPECTED TO MOVE ACROSS FRIO COUNTY BETWEEN 6 AND 645 AND AFFECT THE PEARSALL-DERBY-DILLEY COMMUNITIES ALONG IH35. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY OF hLARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Mar 30, 1:43 AM CST, 4 hours 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-301145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 145 AM CST SUN MAR 30 1997 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTH CENTRAL TEXAS... THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR SOUTH CENTRAL TEXAS HAS BEEN CANCELLED FOR ALL OF SOUTH CENTRAL TEXAS. THE WATCH IS NO LONGER IN EFFECT FOR: BANDERA...BASTROP...BLANCO...BRAZOS...BURNET...COMAL...EDWARDS... GILLESPIE...HAYS...KENDALL...KERR...LEE...LLANO...MEDINA...REAL... TRAVIS...UVALDE AND WILLIAMSON COUNTIES. A COLD FRONT CONTINUES TO MOVE SOUTHWARD TOWARD SOUTH CENTRAL TEXAS THIS MORNING. THE SEVERE THUNDERSTORM THREAT HAS ENDED AT THIS TIME. HOWEVER...SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED AHEAD...ALONG AND BEHIND THE FRONT THROUGH THE MORNING AND INTO TODAY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
Special weather statement, Mar 30, 1:45 AM CST, 4 hours 12 minutes before
TXZ171>173-183>194-202>209-217>225-228-301145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 145 AM CST SUN MAR 30 1997 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTH CENTRAL TEXAS... THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR SOUTH CENTRAL TEXAS HAS BEEN CANCELLED FOR ALL OF SOUTH CENTRAL TEXAS. THE WATCH IS NO LONGER IN EFFECT FOR: BANDERA...BASTROP...BLANCO...BRAZOS...BURNET...COMAL...EDWARDS... GILLESPIE...HAYS...KENDALL...KERR...LEE...LLANO...MEDINA...REAL... TRAVIS...UVALDE AND WILLIAMSON COUNTIES. A COLD FRONT CONTINUES TO MOVE SOUTHWARD TOWARD SOUTH CENTRAL TEXAS THIS MORNING. THE SEVERE THUNDERSTORM THREAT HAS ENDED AT THIS TIME. HOWEVER...SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED AHEAD...ALONG AND BEHIND THE FRONT THROUGH THE MORNING AND INTO TODAY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
Special weather statement, Mar 30, 5:57 AM CST, 0 minutes before
TXZ171>173-183>194-202>209-217>225-228-310000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 557 AM CST SUN MAR 30 1997 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR MEDINA COUNTY UNTIL 645 AM CST... A COLD FRONT WILL CONTINUE TO MOVE THROUGH SOUTH CENTRAL TEXAS THIS MORNING. SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND BEHIND THIS FRONT TODAY AS IT MOVES INTO A MOIST AND UNSTABLE AIR MASS. SCATTERED SHOWERS WILL CONTINUE TONIGHT AS AN UPPER LEVEL WEATHER SYSTEM MOVES ACROSS THE AREA. ISOLATED TO WIDELY SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THIS MORNING ALONG THE FRONT AS IT MOVES THROUGH SOUTH CENTRAL TEXAS. RAINFALL AMOUNTS OF 1/4 TO 1/2 INCH CAN BE EXPECTED TODAY FROM THESE SHOWERS AND THUNDERSTORMS. SCATTERED SHOWERS TONIGHT WILL AVERAGE LESS THAN 1/4 INCH OF PRECIPITATION. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECASTS...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 9:09 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 66 min |
| Mar 29, 9:41 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 64 min |
| Mar 30, 5:51 AM CST | Severe Thunderstorm Warning | EWX | Medina | 54 min |
| Mar 30, 7:01 AM CST | Severe Thunderstorm Warning | EWX | Frio | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.